Parts Listing
1) One ATX Style Power Supply
Model: HPC-250G2 Rev:A1-01
Ratings:
INPUT:
115 V, 6 Amps
230 V, 3 Amps
OUTPUT:
+ 5 V, 25 Amps
- 5 V, 0.5 Amps
+ 12 V, 10 Amps
- 12 V, 0.5 Amps
+ 3.3 V, 15 Amps
+ 5 V SB (Stand By), 1 Amp
2) Miscellaneous Parts List
- One Startech 8" Power Extension Cable - ATX24POWEXT
- One European Style terminal strip (12 position, dual row)
- One 10 Ohm Wirewound Resister, 10 Watt, 10% tolerance
- One Project Enclosure - 6x4x2", black
- One Barrier Strip, 6 position, dual row
- One SPST Toggle Switch, rated 3 amp at 125 VAC
- One LED Assembly, Red with built-in resistor
- One LED Assembly, Green with built-in resistor
- One 2-port usb fixture (salvaged from an old PC)
- One 12 Volt car cig lighter power outlet
- Two Banana Jack, Insulated Binding Posts (to use for 12 vdc)
- One Banana Jack, Insulated Binding Posts (to use for -12 vdc, optional)
- Four Banana Jack, Insulated Binding Posts (to use for 5 and 3.3 vdc)
- Misc Crimp-On Terminals
- Misc Wire Connectors
- Misc Heat-Shrink Tubes, 1" assorted colors
- One 330 Ohm resistor, 1/4 Watt (optional, needed if LED didn't come with one)
- Misc 6-32 Round Head Machine Screws
- Misc 6-32 Steel Machine Hex Nuts
- Misc Steel Flat Washers
- One Package 24" Test/Jumper Leads, Insulated Mini Alligator Clips (optional for your experiments)
- Soldering Tools
- 3/4" PVC Electrical Tape
- Multi-meter
ATX connector pinout
Lab Bench Power Supply Conversion Planning
Partial build with black extension box completed.
Finished build with wiring completed.
Other Project Page Links
Reference Bookmarks for information and ideas
ATX Connector Pinouts
Convert a Computer ATX Power Supply to a Lab Power Supply - wikiHow
Add Variable Voltage to Your ATX Based Bench Power Supply - wikiHow
Use an Old ATX Power Supply As a Lab Power Supply Without Modification
Another variation on binding post arrangements
SparkFun Electronics - ATX Connector Breakout Board
Wikipedia: ATX
Wikipedia: Switched Mode Power Supply
